gt40p question
10-02-2012, 08:23 PM
#11
4th Gear Member
Join Date: Jul 2009
Location: Arizona
Posts: 1,127
I'm at 257hp with GT40p heads fully ported with 1.7 crane roller rockers and comp springs along with full MAC performance exhaust. Stock cam, speed density, and 19lb injectors. All to change soon since it seems to die up top.
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